The respiratory center of the brain (taking into account input from chemoreceptors, pulmonary stretch receptors, and higher centers of the brain to determine respiratory output) is an example of a ________ circuit.
A. reverberating
B. converging
C. parallel after-discharge
D. diverging
Answer: B
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In serving their roles as gatekeepers, epithelial tissues demonstrate selective __________
Fill in the blank with correct word.
The talocrural joint is a modified hinge joint that permits dorsiflexion and plantar flexion
Indicate whether this statement is true or false.
Which of the following does not describe actions of interferon (IFN)?
A) IFN binds to normal, uninfected cells stimulating the activation of genes that produce anti-viral proteins. B) IFN can penetrate the viral capsid and destroy the virus. C) Virally infected cells can release interferon which attracts NK cells to attack and kill the IFN secreting cell. D) IFN will attract macrophages to the secreting cell to be removed by phagocytosis.
A subcutaneous injection delivers medication into the
A. joint. B. dermis. C. hypodermis. D. muscle. E. epidermis.